Finding the Fourth Proportional to 19,958,968.05, 27,543,215.46 and 11,587,114.63
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Solution
The fourth proportional to 19,958,968.05, 27,543,215.46 and 11,587,114.63 is: 15,990,125.04
Step by Step Solution
- Step 1: Write the proportion equation
19,958,968.05 : 27,543,215.46 = 11,587,114.63 : x - Step 2: Convert to fraction form
19,958,968.05/27,543,215.46 = 11,587,114.63/x - Step 3: Cross multiply
19,958,968.05x = 27,543,215.46 × 11,587,114.63 - Step 4: Simplify right side
19,958,968.05x = 319,146,394,813,808.19 - Step 5: Solve for x
x = 319,146,394,813,808.19/19,958,968.05 - Step 6: Final answer
x = 15,990,125.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.